<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>05_学子页面</title>
    <style>
        /**公共CSS**/
        *{
            margin: 0;
            padding: 0;
        }
        a{
            text-decoration: none;
        }
        ul{
            list-style: none;
        }
        .center{
            width: 1000px;
            margin: 0 auto;
        }
        /**F1CSS**/
        .f1{
            overflow: hidden;
            margin-bottom: 10px;
        }
        /**F1左侧CSS**/
        .f1>.left{
            width: 611px;
            height: 376px;
            background-color: gray;
            margin-right: 10px;
            float: left;
        }
        /**F1右侧CSS**/
        .f1>.right{
            width: 375px;
            height: 376px;
            background-color: yellow;
            float: left;
        }
        /**F2CSS**/
        .f2 {
            overflow: hidden;
        }
        /**F2左侧CSS**/
        .f2>.left{
            width: 366px;
            height: 233px;
            margin-right: 20px;
            background-color: pink;
            float: left;
        }
        /**F2卡片CSS**/
        .f2>.card{
            width: 198px;
            height: 233px;
            background-color: #0aa1ed;
            margin-right: 8px;
            float: left;
        }
        .f2>.card3{
            margin: 0;
        }
    </style>
</head>
<body>
<div class="main">
    <div class="center">
        <div class="f1">
            <div class="left"></div>
            <div class="right"></div>
        </div>
            <div class="f2">
                <div class="left"></div>
                <div class="card"></div>
                <div class="card"></div>
                <div class="card card3"></div>
            </div>
    </div>
</div>
</body>
</html>